- (1) Where circuits in expandable or multiple units are designed to be energized from one main panelboard, permanent-type wiring methods and materials must be used for connecting the units to each other.
- (2) Commercial coaches may have individual branch circuit panelboards installed in each unit subject to the requirements of this chapter.
[Statutory Authority: RCW 43.22.340, [43.22.]355, [43.22.]360, [43.22.]432, [43.22.]440 and [43.22.]480. WSR 96-21-146, § 296-150C-1280, filed 10/23/96, effective 11/25/96.]